myometrium
/ˌmaɪoʊˈmiːtriəm/
noun
- The middle, muscular layer of the uterine wall that contracts during childbirth and menstruation.
- During a C-section, the surgeon cuts through the myometrium to reach the baby.
- The myometrium is responsible for the powerful contractions of labor.
- Hormones can affect the thickness of the myometrium throughout the menstrual cycle.